Inventor
LIU CHAO N
4 patents
Patents
4 patentsUS4128829ADec 5, 1978
Signature verification method and apparatus utilizing both acceleration and pressure characteristics
IBM139 citations93
US4128891ADec 5, 1978
Magnetic bubble domain relational data base system
IBM30 citations80
US4142175AFeb 27, 1979
Pressure sensing device and transducer arrangement
IBM23 citations79
US3990060ANov 2, 1976
Cryptographic magnetic bubble domain memory
IBM3 citations61